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A tracking detector system has been constructed with an innovative approach to the classical multi-wire proportional chamber concept, using contemporary technologies. The detectors, covering an area of 0.58 square meters each, are optimized…

Instrumentation and Detectors · Physics 2016-08-30 Dezső Varga , Gábor Nyitrai , Gergő Hamar , László Oláh

Radiopure materials for detector components in rare event searches may be contaminated after manufacturing with long-lived $^{210}$Pb produced by the decay of atmospheric radon. Charged radon daughters deposited on the surface or implanted…

Instrumentation and Detectors · Physics 2018-01-17 Eric S. Morrison , Eric H. Miller , Therese Frels , Richard W. Schnee , Joseph Street

The GlueX experiment at Jefferson Laboratory aims to perform quantitative tests of non-perturbative QCD by studying the spectrum of light-quark mesons and baryons. A Detector of Internally Reflected Cherenkov light (DIRC) was installed to…

The continuous emanation of radon due to trace amounts of uranium and thorium in detector materials introduces radon to the active detection volume of low-background rare event search detectors. $^{222}$Rn produces a particularly…

Instrumentation and Detectors · Physics 2021-06-08 M. Arthurs , D. Q. Huang , C. Amarasinghe , E. Miller , W. Lorenzon

Radon emanation was projected to account for $>50$% of the electron recoil background in the WIMP region of interest for the LUX-ZEPLIN (LZ) experiment. To mitigate the amount of radon inside the detector volume, materials with inherently…

Instrumentation and Detectors · Physics 2022-11-23 N. I. Chott , R. W. Schnee

The design task of creating an efficient radiation shield for the new COBRA double-beta decay experiment led to a comprehensive study of commercially available shielding materials. The aim was to find the most efficient combination of…

Nuclear Experiment · Physics 2010-12-13 D. Y Stewart , P. F. Harrison , B. Morgan , Y. A. Ramachers

An experimental strong increase of the reflection loss (from 25 up to 35 dBs) and an extension of the absorption bandwidth up to 20% is measured in a set of novel functional bilayer systems. We focus our work on studying the samples in an…

Ionization electron diffusion in Liquid Argon Time Projection Chambers (LArTPCs) has typically been considered at the detector design stage, but little attention has been given to its effects on calibration and particle identification. We…

Instrumentation and Detectors · Physics 2022-05-26 A. Lister , M. Stancari

To precisely measure radon concentrations in purified air supplied to the Super-Kamiokande detector as a buffer gas, we have developed a highly sensitive radon detector with an intrinsic background as low as 0.33$\pm$0.07 mBq/m$^{3}$. In…

Instrumentation and Detectors · Physics 2017-04-25 Y. Nakano , H. Sekiya , S. Tasaka , Y. Takeuchi , R. A. Wendell , M. Matsubara , M. Nakahata

The dispersion measure -- redshift relation of Fast Radio Bursts, $\mathrm{DM}(z)$, has been proposed as a potential new probe of the cosmos, complementary to existing techniques. In practice, however, the effectiveness of this approach…

Cosmology and Nongalactic Astrophysics · Physics 2019-11-20 Anthony Walters , Yin-Zhe Ma , Jonathan Sievers , Amanda Weltman

Multi-view indoor radar perception has drawn attention due to its cost-effectiveness and low privacy risks. Existing methods often rely on {implicit} cross-view radar feature association, such as proposal pairing in RFMask or…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Ryoma Yataka , Pu Perry Wang , Petros Boufounos , Ryuhei Takahashi

Radon and radon daughters pose significant backgrounds to rare-event searching experiments. Activated carbon, which has very strong adsorption capacity for radon, can be used for radon removal and radon enrichment. The internal $^{226}$Ra…

Instrumentation and Detectors · Physics 2022-02-16 Y. Y. Chen , Y. P. Zhang , Y. Liu , J. C. Liu , C. Guo , P. Zhang , S. K. Qiu , C. G. Yang , Q. Tang

The radioactive noble gas $^{222}$Rn, which can be dissolved in water, is an important background source for JUNO. In this paper, based on the water system of JUNO prototype, two kinds of high sensitivity radon detectors have been proposed…

Instrumentation and Detectors · Physics 2017-12-15 Y. P. Zhang , J. C. Liu , C. Guo , Y. B. Huang , Z. Y. Yu , C. Xu , M. Y. Guan , C. G. Yang , P. Zhang

The radioactive noble gas radon can be a serious background source in the underground particle physics experiments studying processes that deposit energy comparable to its decay products. Low energy solar neutrino measurements at…

Instrumentation and Detectors · Physics 2020-10-12 Y. Nakano , T. Hokama , M. Matsubara , M. Miwa , M. Nakahata , T. Nakamura , H. Sekiya , Y. Takeuchi , S. Tasaka , R. A. Wendell

Muon radiography is a fast growing field in applied scientific research. In recent years, many detector technologies and imaging techniques using the Coulomb scattering and absorption properties of cosmic-ray muons have been developed for…

Instrumentation and Detectors · Physics 2014-11-11 F. Ambrosino , L. Bonechi , L. Cimmino , R. D'Alessandro , D. G. Ireland , R. Kaiser , D. F. Mahon , N. Mori , P. Noli , G. Saracino , C. Shearer , L. Viliani , G. Yang

A Resistive Plate Chamber using Diamond-Like Carbon electrodes (DLC-RPC) has been developed as a background tagging detector in the MEG$~$II experiment. The DLC-RPC is planned to be installed in a high-intensity and low-momentum muon beam.…

Instrumentation and Detectors · Physics 2025-06-13 Masato Takahashi , Sei Ban , Weiyuan Li , Atsuhiko Ochi , Wataru Ootani , Atsushi Oya , Hiromu Suzuki , Kensuke Yamamoto

An online cryogenic distillation system for the removal of krypton and radon from xenon was designed and constructed for PandaX-4T, a highly sensitive dark matter detection experiment. The krypton content in a commercial xenon product is…

Instrumentation and Detectors · Physics 2021-08-11 Xiangyi Cui , Zhou Wang , Yonglin Ju , Xiuli Wang , Huaxuan Liu , Wenbo Ma , Jianglai Liu , Li Zhao , Xiangdong Ji , Shuaijie Li , Rui Yan , Haidong Sha , Peiyao Huang

We present the results of theoretical and experimental studies of dispersively coupled (or "membrane in the middle") optomechanical systems. We calculate the linear optical properties of a high finesse cavity containing a thin dielectric…

The need for precise characterization of dual-phase xenon detectors has grown as the technology has matured into a state of high efficacy for rare event searches. The Michigan Xenon detector was constructed to study the microphysics of…

Instrumentation and Detectors · Physics 2016-08-25 S. Stephenson , J. Haefner , Q. Lin , K. Ni , K. Pushkin , R. Raymond , M. Schubnell , N. Shutty , G. Tarlé , C. Weaverdyck , W. Lorenzon

The diffusion coefficient of a circular shaped inclusion in a liquid membrane is investigated by taking into account the interaction between membranes and bulk solvents of arbitrary thickness. As illustrative examples, the diffusion…

Soft Condensed Matter · Physics 2015-05-28 Kazuhiko Seki , Sanoop Ramachandran , Shigeyuki Komura